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collapseos/blk/058
Virgil Dupras faf088b397 Move AVR assembler from B650 to B50
And move its doc to doc/asm.txt
2020-09-21 19:52:53 -04:00

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( a -- k12, absolute addr a, relative to PC in a k12 addr )
: _r7ffc DUP 0x7ff > IF _oor THEN ;
: _raddr12
PC - DUP 0< IF 0x800 + _r7ffc 0x800 OR ELSE _r7ffc THEN ;
: RJMP _raddr12 0xc000 OR ;
: RCALL _raddr12 0xd000 OR ;
: RJMP, RJMP A,, ; : RCALL, RCALL A,, ;